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<FONT color="green">001</FONT>    package org.bukkit.plugin;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.Collection;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.List;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    /**<a name="line.6"></a>
<FONT color="green">007</FONT>     * Manages services and service providers. Services are an interface specifying<a name="line.7"></a>
<FONT color="green">008</FONT>     * a list of methods that a provider must implement. Providers are<a name="line.8"></a>
<FONT color="green">009</FONT>     * implementations of these services. A provider can be queried from the<a name="line.9"></a>
<FONT color="green">010</FONT>     * services manager in order to use a service (if one is available). If<a name="line.10"></a>
<FONT color="green">011</FONT>     * multiple plugins register a service, then the service with the highest<a name="line.11"></a>
<FONT color="green">012</FONT>     * priority takes precedence.<a name="line.12"></a>
<FONT color="green">013</FONT>     *<a name="line.13"></a>
<FONT color="green">014</FONT>     * @author sk89q<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    public interface ServicesManager {<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>        /**<a name="line.18"></a>
<FONT color="green">019</FONT>         * Register a provider of a service.<a name="line.19"></a>
<FONT color="green">020</FONT>         *<a name="line.20"></a>
<FONT color="green">021</FONT>         * @param &lt;T&gt; Provider<a name="line.21"></a>
<FONT color="green">022</FONT>         * @param service service class<a name="line.22"></a>
<FONT color="green">023</FONT>         * @param provider provider to register<a name="line.23"></a>
<FONT color="green">024</FONT>         * @param plugin plugin with the provider<a name="line.24"></a>
<FONT color="green">025</FONT>         * @param priority priority of the provider<a name="line.25"></a>
<FONT color="green">026</FONT>         */<a name="line.26"></a>
<FONT color="green">027</FONT>        public &lt;T&gt; void register(Class&lt;T&gt; service, T provider, Plugin plugin,<a name="line.27"></a>
<FONT color="green">028</FONT>                ServicePriority priority);<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>        /**<a name="line.30"></a>
<FONT color="green">031</FONT>         * Unregister all the providers registered by a particular plugin.<a name="line.31"></a>
<FONT color="green">032</FONT>         *<a name="line.32"></a>
<FONT color="green">033</FONT>         * @param plugin<a name="line.33"></a>
<FONT color="green">034</FONT>         */<a name="line.34"></a>
<FONT color="green">035</FONT>        public void unregisterAll(Plugin plugin);<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>        /**<a name="line.37"></a>
<FONT color="green">038</FONT>         * Unregister a particular provider for a particular service.<a name="line.38"></a>
<FONT color="green">039</FONT>         *<a name="line.39"></a>
<FONT color="green">040</FONT>         * @param service<a name="line.40"></a>
<FONT color="green">041</FONT>         * @param provider<a name="line.41"></a>
<FONT color="green">042</FONT>         */<a name="line.42"></a>
<FONT color="green">043</FONT>        public void unregister(Class&lt;?&gt; service, Object provider);<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        /**<a name="line.45"></a>
<FONT color="green">046</FONT>         * Unregister a particular provider.<a name="line.46"></a>
<FONT color="green">047</FONT>         *<a name="line.47"></a>
<FONT color="green">048</FONT>         * @param provider<a name="line.48"></a>
<FONT color="green">049</FONT>         */<a name="line.49"></a>
<FONT color="green">050</FONT>        public void unregister(Object provider);<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>        /**<a name="line.52"></a>
<FONT color="green">053</FONT>         * Queries for a provider. This may return if no provider has been<a name="line.53"></a>
<FONT color="green">054</FONT>         * registered for a service. The highest priority provider is returned.<a name="line.54"></a>
<FONT color="green">055</FONT>         *<a name="line.55"></a>
<FONT color="green">056</FONT>         * @param &lt;T&gt;<a name="line.56"></a>
<FONT color="green">057</FONT>         * @param service<a name="line.57"></a>
<FONT color="green">058</FONT>         * @return provider or null<a name="line.58"></a>
<FONT color="green">059</FONT>         */<a name="line.59"></a>
<FONT color="green">060</FONT>        public &lt;T&gt; T load(Class&lt;T&gt; service);<a name="line.60"></a>
<FONT color="green">061</FONT>    <a name="line.61"></a>
<FONT color="green">062</FONT>        /**<a name="line.62"></a>
<FONT color="green">063</FONT>         * Queries for a provider registration. This may return if no provider<a name="line.63"></a>
<FONT color="green">064</FONT>         * has been registered for a service.<a name="line.64"></a>
<FONT color="green">065</FONT>         *<a name="line.65"></a>
<FONT color="green">066</FONT>         * @param &lt;T&gt;<a name="line.66"></a>
<FONT color="green">067</FONT>         * @param service<a name="line.67"></a>
<FONT color="green">068</FONT>         * @return provider registration or null<a name="line.68"></a>
<FONT color="green">069</FONT>         */<a name="line.69"></a>
<FONT color="green">070</FONT>        public &lt;T&gt; RegisteredServiceProvider&lt;T&gt; getRegistration(Class&lt;T&gt; service);<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>        /**<a name="line.72"></a>
<FONT color="green">073</FONT>         * Get registrations of providers for a plugin.<a name="line.73"></a>
<FONT color="green">074</FONT>         *<a name="line.74"></a>
<FONT color="green">075</FONT>         * @param plugin<a name="line.75"></a>
<FONT color="green">076</FONT>         * @return provider registration or null<a name="line.76"></a>
<FONT color="green">077</FONT>         */<a name="line.77"></a>
<FONT color="green">078</FONT>        public List&lt;RegisteredServiceProvider&lt;?&gt;&gt; getRegistrations(Plugin plugin);<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>        /**<a name="line.80"></a>
<FONT color="green">081</FONT>         * Get registrations of providers for a service. The returned list is<a name="line.81"></a>
<FONT color="green">082</FONT>         * unmodifiable.<a name="line.82"></a>
<FONT color="green">083</FONT>         *<a name="line.83"></a>
<FONT color="green">084</FONT>         * @param &lt;T&gt;<a name="line.84"></a>
<FONT color="green">085</FONT>         * @param service<a name="line.85"></a>
<FONT color="green">086</FONT>         * @return list of registrations<a name="line.86"></a>
<FONT color="green">087</FONT>         */<a name="line.87"></a>
<FONT color="green">088</FONT>        public &lt;T&gt; Collection&lt;RegisteredServiceProvider&lt;T&gt;&gt; getRegistrations(<a name="line.88"></a>
<FONT color="green">089</FONT>                Class&lt;T&gt; service);<a name="line.89"></a>
<FONT color="green">090</FONT>    <a name="line.90"></a>
<FONT color="green">091</FONT>        /**<a name="line.91"></a>
<FONT color="green">092</FONT>         * Get a list of known services. A service is known if it has registered<a name="line.92"></a>
<FONT color="green">093</FONT>         * providers for it.<a name="line.93"></a>
<FONT color="green">094</FONT>         *<a name="line.94"></a>
<FONT color="green">095</FONT>         * @return list of known services<a name="line.95"></a>
<FONT color="green">096</FONT>         */<a name="line.96"></a>
<FONT color="green">097</FONT>        public Collection&lt;Class&lt;?&gt;&gt; getKnownServices();<a name="line.97"></a>
<FONT color="green">098</FONT>    <a name="line.98"></a>
<FONT color="green">099</FONT>        /**<a name="line.99"></a>
<FONT color="green">100</FONT>         * Returns whether a provider has been registered for a service. Do not<a name="line.100"></a>
<FONT color="green">101</FONT>         * check this first only to call &lt;code&gt;load(service)&lt;/code&gt; later, as that<a name="line.101"></a>
<FONT color="green">102</FONT>         * would be a non-thread safe situation.<a name="line.102"></a>
<FONT color="green">103</FONT>         *<a name="line.103"></a>
<FONT color="green">104</FONT>         * @param &lt;T&gt; service<a name="line.104"></a>
<FONT color="green">105</FONT>         * @param service service to check<a name="line.105"></a>
<FONT color="green">106</FONT>         * @return whether there has been a registered provider<a name="line.106"></a>
<FONT color="green">107</FONT>         */<a name="line.107"></a>
<FONT color="green">108</FONT>        public &lt;T&gt; boolean isProvidedFor(Class&lt;T&gt; service);<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>    }<a name="line.110"></a>




























































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